Below is a list of Unionville MD zip codes. For your research we have also included Unionville Area Code, Time Zone, UTC and the local Frederick County FIPS Code. Each Unionville Maryland zip code has a center Longitude / Latitude point (the Unionville center is -75.599296569824 / 38.060901641846). For your convenience we have also indicated if that zip code in Unionville observes Daylight Savings time.